Poison wrote:Cyanobacteria are algae. Not bacteria. You learn them in algea classes.

Don't be confused by these idiot biologists Ozge!
Euglena viridis is taught in college as both an algae and a protozoan. So, what is it? Cyanobacteria are the first organisms on earth to be able to do photosynthesis in the presence of oxigent and the first to release oxygen from the process, because they posses both photosystems(unlike other photosynthetic bacteria that only have photosystem I). But they are still procaryotic organisms, having all the general characteristics of eubacteria

@mmiaosmiling
What you are saying is true. However, over 85% of the known species of lichens(procentage may have changed since new lichens have been discovered) and the most succesful ones form between al algae and a fungus. I just wanted to make it more simple for someone who is not so advanced in biology as you are(yet, who knows about the future )
I just

"As a biologist, I firmly believe that when you're dead, you're dead. Except for what you live behind in history. That's the only afterlife" - J. Craig Venter